Question 978895
{{{(A+B+C+D+E+F)/6=66}}}
{{{A+B+C+D+E+F=396}}}
So then adding,
{{{A+B+C+D+E+F+75+89=560}}}
And then the new average is,
{{{(A+B+C+D+E+F+75+89)/8=560/8=highlight(70)}}}